clintropolis opened a new pull request #5988: Coordinator fix exception caused by additional logging URL: https://github.com/apache/incubator-druid/pull/5988 #5929 added some additional log messages, one of them results in a null pointer exception of the form ``` 2018-07-09T20:04:48,973 ERROR [main-EventThread] org.apache.curator.framework.imps.CuratorFrameworkImpl - Watcher exception java.lang.NullPointerException at io.druid.server.coordinator.CuratorLoadQueuePeon.entryRemoved(CuratorLoadQueuePeon.java:393) ~[druid-server-0.12.1-iap7.jar:0.12.1-iap7] at io.druid.server.coordinator.CuratorLoadQueuePeon.lambda$processSegmentChangeRequest$1(CuratorLoadQueuePeon.java:270) ~[druid-server-0.12.1-iap7.jar:0.12.1-iap7] at org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:83) [curator-framework-4.0.0.jar:4.0.0] at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530) [zookeeper-3.4.10.jar:3.4.10-39d3a4f269333c922ed3db283be479f9deacaa0f] at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:505) [zookeeper-3.4.10.jar:3.4.10-39d3a4f269333c922ed3db283be479f9deacaa0f] ``` This PR fixes that issue, as well as cuts down on a very chatty log message that was inadvertently added.
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